Model Year Carline Affected Production Dates 2015-2016 Legacy 12/16/2013 9/30/2015 2016-2016 Outback 12/9/2013 9/30/2015 After 2 resets and air out the car on the hwy with 91 octane and fuel injector cleanerthe code hasnt popped back up (knock on wood). There is 7166 miles on this allegedly new catalytic converter. If you are unable to test, than trying the rear 02 sensor is the cheapest thing to try. The front Y-pipe assemblies can cost twice as much money to replace as the rear converter assembly. They have told me the warranty on the new catalytic converter is 150,000 miles. Any insight would be helpful. I have just had this code come up on my 2007 Tribeca. It would need to come from someone like us or a Subaru Dealer. I had the c converter replaced about 2 years ago. Performance and fuel economy are normal. Had the code cleared and now 2 days later the light came back on. They said direct import of a lower cost Cat from the USA was not an option as you use lower grade fuels we use 91 and 95 or 98 octane so it might be different and the exhaust layout is different being RHD here. Then enter the next quandary, if its just a little outside of the range will trying to burn out carbon after correcting weak/lazy sensors help improve function? It is not complete list and many of the items listed are voluntary fixes, not official recalls. Even if its not what you want to hear. 2022 Subaru Outback Base {{loadingIndicator}} Hamburger menu. In my experience an aftermarket Cat may last one year if it works at all. Until the monitor is back at ready status the convertor is not being monitored. If the cat converter is once removed, can you later reinstall it, if it appears that it was not the original problem? Subaru Forester 2009, Catalytic Converter and Pipe Assembly by Davico. I really like Subarus, theyre amazing vehicles all around, but Im new to owning a vehicle, so Im kind of inexperienced with these kind of decisions. Over time, carbon deposits accumulate and clog up the catalytic converter, especially if the vehicle has racked up a lot of miles. If after the reflash it didnt resolve the issue I would then re evaluate it, and if the Catalyst is still not reaching 600 degrees I would then replace the Catalyst. Its not a fuel ratio thing, not sure why that would come up? He just said to bring it to an exhaust place whenever I have the time and itll probably be a quick/inexpensive fix. All Wheel Drive Auto LLC. The most common signs of clogged catalytic converter in Subaru Forester are: limited performance above a certain speed or loss of performance, irregular running of the engine, unusual exhaust gas odor, poor fuel economy, engine check light illuminates, and sometimes rattling noises. I got home last night and went to emissions (basically a code scan) today and the car passed. I then had it towed to a local transmission shop where it is awaiting a new driveshaft from Subaru. for around 200 miles, and then the code reappeared There is 7166 miles on this allegedly new catalytic converter. What must be done next is to determine the correct answer to that question, by testing the rear o2 sensor and by performing a catalyticconverterefficiency test and evaluating fuel trim. If I was to budget for a front catcan the front cat be the OEM Federal Standard version or does it have to be the OEM California Standard Cat since my car is PZEV? This makes the converter more efficientat oxidizing HC into H2O and CO2. The first time this happened, I took it back to the shop that replaced the wheel bearings and they found that the speed sensor on one of the wheels had been damaged during wheel bearing replacement and they replaced that speed sensor. Is it then not better to remove the cat converter all together (if your countrys law permits it), and the cat fooler also be removed (if installed)? Howdy Justin,Thanks in advance for reading and advice. After reconnection, the CEL came on with P0420 code. In other words my engine was running hot for the first 20,000 miles or so. The data generated is only as good as the sensor, so the sensor must be tested first. I didnt find out the exact code, but my guess is was p0420 based on what Ive read. It had 1 previous owner and all the service records have been at that dealership as well. 106K miles, Had a major engine service about 4 months ago and now check engine light is on. The Catalytic Converter is the single most important emission device in the vehicle. What to do from here? Can you please explain? Quick question for you, been dealing with an on again off again P0420 code for about 5 months. Thanks for your insight and expertise. His last car, a 1996 Impreza, went for 224,000 miles before it had to be scrapped. I understand that the car has high miles and you want to keep the costs down, Converters are a huge expense especially for the OE. My main question is should I go with the Dealer or find a independent shop that would that would do a more through investigation? Toggle navigation. I checked the codes today, no other codes besides the P0420. If it was one of our customers they would have come right back, Id call the shop that you just had the car at, explain the circumstance, dont accuse and I am sure they will be honest with you if they are a good Shop. I have been now reading other posts and beginning to wonder. The Cat is a Subaru part muffler isnt. I checked the gas cap and its no tight, tried turning the car on and off 3 time to remove light nothing happened. Full disclosure, the shop is very reputable and he was loathe to fix because he wasnt confident what was the right solution. Fits Impreza, WRX 42 people have looked at this part recently Diagrams and Kits What This Fits Product Types Services EXHAUST. Is the one year lifespan of the aftermarket converters common, or just when theres a cause like a head gasket leak to make them fail? If ceriumis contaminated or the converter overheats,the converter is damaged. Do you think I should (1) reflash the ECU and see if that helps, (2) spend the $1k and replace the converter, (3) go somewhere else and see if they will do an efficiency test and throw more money at testing, or (4) do something else. That should be a P0420 code: cat inefficiency bank one. Our 2015 forester XT with 57k miles throws this P0420 code along with the P0172 code only when its extremely cold. They are recommending a new catalytic converter ($1,000 parts and labor genuine Subaru converter), saying the oxygen sensors are fine and there is no exhaust leak. Once its set to ready status before the convertor is monitored it has to be up to op temp and driven at speed for a length of time, its not minutes its frames of time for which conditions are present. When I bought this car from the original owner, my sister (2002 Legacy wagon with 150,000 miles) she just had another cat replacment a her local shop. ), 2. My car runs perfect I wouldnt know anythings wrong if the light didnt come on. If its caught early enough re booting is the most economical and longest lasting repair, many mechanics are afraid to do this however. The 2000 outback has 107k and is running very well so I hope to keep it for a long time. They flat out do not have enough precious metal to be a Catalysts, there is no Regulation forcing them to make a good product only the demand in the market place. You can clearly see thedifferencesin the two high lighted readings, I have also made some changes in the time anddivisionportion of the Graph to help better show the data in question. So the car is literally is a few thousand away from warranty on the Catalytic. Catalytic Converter (Front) You can try higher octane fuel and harder driving to build up Exhaust Temperature. The vehicle is completely safe to drive with a P0420 set, however if anything new was to come up that could damage anything, you would have no way of knowing as the check engine light would already be on. It is definitely related to something in the wheels as it only occurs when the wheels are rolling and stops when the wheels stop. I suspect they did not do much more than that.. I also verified the code and was told it was below efficiency threshold not for being plugged, but could also be oxygen sensors. I would say yes its uncommon to need a second Catalyst at 50k after the first but I dont know if the front air fuel sensor was ever replaced or if there is something else going on? They need to be welded into the system are attached by clamps and sleeves. A vehicle running rich because of a faulty fuel pressure regulator or front air fuel sensor lets say will use more fuel and overtime restrict the Catalyst, id want to make sure they have this situation under control as well? Thanks for any insights you can offer! What fuel additive would you suggest, if any? Did the techs come up with a solid fault? He took it in to the Subaru dealer and they say it is a p0240 code and it needs a new catalytic converter at a cost of $1800. I have 83,938 miles on my car. Thats why no one really wants to tell you if you should drive it, a good idea is having your own code scanner and checking it your self here and there until you can budget for repairs if you choose to do them. Do you think Im looking at a new Converter as well? Subaru's number for this recall is TKC-20. 370 people reported this problem 140 comments Subaru Forester Vehicles With This Copyright 2023 Leaf Group Ltd. / Leaf Group Media. Rant over. I have described some of what can go on the best I can in this and other posts here on the website. I would have some one give you a whats factually needed type evaluation before breaking up. The dealer said they do not do the efficiency test. I like to know before I decide whether After warm up I ran it while parked at about 3000 rpm. In order for the conversion towork efficiently it needs lots of oxygen. Just found your website today, fabulous! On a modern vehicle you are asking for trouble if you dont use a memory maintainer tool when disconnecting the battery. Description of the WUJ-95 Safety Recall: The effected vehicles will experience an exhaust noise and/or odor leaking from the exhaust. Most diagnostic devices then ask for some information about the vehicle. Unfortunately, I got the feeling from the dealership that I could really screw up the car if I dont replace it. Thanks, Back when I had ratings on my posts the Check engine light articles always did poorly. Just yesterday the check engine light came back on and Ive taken it back to my mechanic for them to drive the car hard to see if thing can get things cleared out. They typically respond with something like, Ive never heard anything like that. I now am on my fourth Subaru Outback/Legacy in a row. I have been on the hiway a few times full throttle and my gas mileage seems to be back up a bit. Your email address will not be published. The CEL on our 2003 Forester is coming on again. Ive got a 2008 Outback that had a new engine block put in at 77k because the dealership snapped the head bolts off when trying to replace a cracked head gasket. Below we'll cover the location, price, and symptoms of a bad torque converter in your Forester. Learn about our recall process. Clean air costs money the media doesnt discuss it, so most are unaware. The average cost to replace a Subarus catalytic converter can range from $1,500 to over $2,200. Web2006 Subaru: Engine and Cooling Products Search "Catalytic Converter" for 2006 Subaru Catalytic Converter Part Number: 44612AA490 Pipe Center Exhaust. Are there some other signs that the CAT has failed? Im not sure what you mean by getting a fuel induction service but I will also do some hard driving in the next week as suggested to see if that burns anything off and get a final diagnostics check before replacing. Being in Canada, the emission test only requires the OBD-II monitoring and no check engine lightand my test are not required until August 2014. Ive wondered if the newer ethynol mixtures contribute to the problem, and if so what the car makers are doing to correct the issue. Sorry, that link got broken. FCFE2. I cleared the code and started the car, it ran for a few seconds and then stalled. Any ideas? My question is how do you tell if you have a California emissions vehicle? 2020-01-02. He says it will run about $1200 and its best to do all three at the same time. Since some OBD codes are manufacturer-specific, the scanner will be able to give you more accurate information if you enter more details about your Forester. again things were fine (coincidentally? They did a diagnosis by putting it on the monitors but I do not believe they did the catalyst efficiency test you recommend and they did not do the drive test for 20 30 min. I work in a garage and been driving subarus for couple of years know. Since your description is so valuable, may I ask some silly further questions? With age and mileage, Im trying to fix this cheaply. With so many converters, one of them is bound to need replacement at some point. The gas odor is probably a fuel leak, use the search feature and type in fuel smell and have a read. russellpat Registered 2022 Outback Touring XT. I like you have also experience the cat converter which as been a problem since owning the car. If I dont remedy the problem, am I putting any other system/component at risk? When I test with an OBD reader, I get the P0420 code. I checked my gas cap but, have not driven it around to see if it resets. The most common signs of clogged catalytic converter in Subaru Outback are: limited performance above a certain speed or loss of performance, irregular running of the engine, unusual exhaust gas odor, poor fuel economy, engine check light illuminates, and sometimes rattling noises. Ive just bought a used 2009 Subaru Impreza 2.5i Justin, Thanks for getting back to me. Adobe Digital Marketing. Ignition System malfunction The aftermarket cats just dont last very long and the slightest amount of carbon prevents function. Hi Justin, So the P0335 is a Crank sensor code and may be as simple as needing a new crank sensor, the P0420 is related to a convertor not reaching the point of light off any more which wont prevent you from using the car. Would replacing the secondary O2 sensor do anything? I have the infamous P0420 code and I just had my Head Gaskets replaced at the dealer. Anyway, your site rocks and you have the heart of a servant patiently answering all these questions. We at the shop will often do induction services with new sensors followed by driving instructions, Id say it helps 30 percent of the carbon coated convertors if I had to put a number on it. The premise behind the logic update was to stretch out some of the parameters for when the catalyst function is monitored as in some cases its not truly being tested properly. There is no more external oil or coolant leaks at the head anymore. FCA03. 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Exhaust. 85,000 miles. The OBDII connector is usually located under the dashboard. 83000 miles on it and I get the dreaded P0420 code. Could, over time, a caps plastic threading weaken/degrade allowing it to work itself loose with regular driving?! And ever since that repair, from time to time the CEL comes on and the cruise light blinks. Actually I do not mind your answer. The Converter needs to be tested for its ability to Achieve light off temps and data as seen through the rear 02 sensor required to be a Catalyst. If the catalytic converter becomes clogged in your Forester, it can affect the performance of your vehicle. All I want to do is get through the state of CT emissions test! If it does than its possible something secondary is at fault. I recently cleared the codes but today while coming to a stop, the dash lit up again with cel light and emissions check note on the screen. I've heard they can get up to $1000 for the metals in Toyota cats. We save as many convertors as we replace. Thanks for reading. Thats the only next step. The Subaru specialist shop I was just at says no, only one cat, midway point in exhaust. Faulty Catalytic Converter. Thanks in advance for any advice you care to give. Thanks for all of this information, it is really helpful. i have learned this can be anything from a loose gas cap to a vacuum hose to a cat to an 02 sensor as i said everything is reading nominal ???? Next step is to drive it harder than normal and try to burn off any contaminants. I like to have a frame of reference before going in blind. The gas dropped like crazy and it started smoking exhaust. You really just need to research this out in your part of town. When I drive like my wife drives it will not throw the code. Subaru has determined that the efficiency of your vehicles front catalytic converter may degrade over time. Dealer checked and said that yes, it might need a new converter. When I drive the car for a week it will throw the code (spirited driving). Great to find this information here. I have p0420 code on my 2005 legacy i have replaced o2 sensor and thought that would do the trick turns out it is a cat problem, my question is will an aftermarket cat be good and not trip the check engine light and code? I appreciate your reply. Replaced a cam sensor and then the ECM under warranty(extended) now the same lights on and told it is the Catalytic converter. reads: P0420 Catalyst Information Below Threshold Yes to the BG product and higher octane fuel as a possible resolution to the 420 code. This commonly happens due to a bad upstream oxygen sensor, but can also happen due to a bad MAF sensor or worn spark plugs. -O2 Sensors switching in normal ranges on test drive; air fuel sensors are constant as well From there use the graph as a example of what to look for. I would in fact start with having Subaru OEM type bearings re-installed, if the bearings themselves were in fact the original cause and we installed suspect bearings the diagnoses or theory may have been correct but the correction suspect. Catalytic Converter. The only way to cut down on this is to put more precious metal in the Catalyst which would greatly raise the price. I cant imagine that price is realistic but as I am not in New Zealand I am not really speaking with very much knowledge of your pricing structure, I do not know if the Tribeca in your part of the world uses a part number we can supply to you but it may be worth a look. My mechanioc doesnt think the additive would have been enough to make the difference in the fuel ratio. I am wondering if these contributed to the deterioration of the cats. The battery was unplugged for 2 days and so the ECM was reset. Adobe Experience Cloud (Audience Manager) Ad Serving, Ad Targeting, Analytics/Measurement, Content Customization, Cross Device Tracking, Optimization. A clogged catalytic converter essentially "suffocates" the engine, preventing it from "exhaling" the exhaust. Any more info on why you mentioned this could happen? Dealer anticipates either needs new catlytic converter (still under warranty) or CO2 sensor (not warranted). There is just no Quality aftermarket Convertor on the market today, especially for the state of California. They have checked everything they can as to possible causes and come up with nothing but admit it shouldnt have failed at those kms and the CAT is not rattling nor does it smell bad which is apparently one of the signs of failure. Cannot find any reference. That was early June of 2016. Webexhaust pipe containing the catalytic converter. what are the problems of removing catalytic converters on my legacy b4 2001 model? After the check engine came on we took it to a friend in the small town we were close to mostly because when I called thelocal Subaru they immediately told me over the phone I had to get the entire turbo engine replaced. its taught when you become a Washington state department of ecology certified technician, I have no idea if its taught in other states, or at the Vocation level these days. Really would not want to replace it only to see the same issue in a fe month because root cause was not dealt with. Now I need to go talk to them to see what they did. Like I keep stating, if instead of the price on the sticker when you buy the car instead stated how much to own over 10 years no one would buy it, this goes double for German cars. Thanks. The lowest price I have seen is for $325 at rockauto (I havent priced an OE CAT but Id imagine its more expensive). This same issue may cause the car to fail the State Smog Test if one is required. The regulations for new cars also increase every few years as well which make it very difficult as what was perfected two years ago must now be redesigned to meet tougher standards. There was some sort of a condition that actually needed to be diagnosed and driving it like that did not do the Catalyst any favors.

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